1031434323103 has 4 divisors (see below), whose sum is σ = 1031438009160. Its totient is φ = 1031430637048.

The previous prime is 1031434323071. The next prime is 1031434323169. The reversal of 1031434323103 is 3013234341301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031434323103 - 2⁵ = 1031434323071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031434123103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385425 + ... + 1995562.

It is an arithmetic number, because the mean of its divisors is an integer number (257859502290).

Almost surely, 2^{1031434323103} is an apocalyptic number.

1031434323103 is a deficient number, since it is larger than the sum of its proper divisors (3686057).

1031434323103 is an equidigital number, since it uses as much as digits as its factorization.

1031434323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686056.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1031434323103 its reverse (3013234341301), we get a palindrome (4044668664404).

The spelling of 1031434323103 in words is "one trillion, thirty-one billion, four hundred thirty-four million, three hundred twenty-three thousand, one hundred three".